Extension arm for a vise



FIG. 1 is a perspective view from above of an extension arm for a viseshowing a plug at one end for insertion into a vertical bore in the topof a vise jaw and showing at the other end a transferable plug having ajaw face at its top end;

FIG. 2 is a perspective view from beneath of the device shown in FIG. 1.

The ornamental design for an extension arm for a vise, as shown anddescribed.